package com.atguigu.springboot.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

/**
 * @author : leimingchao
 * @date Date : 2021年10月17日 9:24
 */
@Configuration
public class DruidConfig {


    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DruidDataSource druidDataSource() {
        return new DruidDataSource();
    }

    /**
     * 配置Druid监控
     * 1.配置一个管理后台的Servlet
     */
    @Bean
    public ServletRegistrationBean statViewServlet() {
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        Map<String, String> initParams = new HashMap<>();
        initParams.put("loginUsername", "admin");
        initParams.put("loginPassword", "123456");
        //默认就是允许所有
        initParams.put("allow", "");
        initParams.put("deny", "198.168.1.2");
        servletRegistrationBean.setInitParameters(initParams);
        return servletRegistrationBean;
    }

    /**
     * 配置一个web监控的filter
     */
    @Bean
    public FilterRegistrationBean webStatFilter() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
        filterRegistrationBean.setFilter(new WebStatFilter());
        Map<String, String> initParams = new HashMap<>();
        initParams.put("exclusions", "*.jsp,*.css,/druid/*");
        filterRegistrationBean.setInitParameters(initParams);
        filterRegistrationBean.setUrlPatterns(Arrays.asList("/*"));
        return filterRegistrationBean;
    }

}
